21087110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3617}}^1$

素因数の和:3688

約数の個数: 32

約数和(自身を含む): 42200352

約数和(自身を除く): 21113242

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3617, 5830, 7234, 18085, 36170, 39787, 79574, 191701, 198935, 383402, 397870, 958505, 1917010, 2108711, 4217422, 10543555, 21087110]

約数ペア:

[(1, 21087110), (2, 10543555), (5, 4217422), (10, 2108711), (11, 1917010), (22, 958505), (53, 397870), (55, 383402), (106, 198935), (110, 191701), (265, 79574), (530, 39787), (583, 36170), (1166, 18085), (2915, 7234), (3617, 5830)]